<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        i{
            width: 100px;
            height: 100px;
            margin: 100px;
            padding: 100px;
            background-color: antiquewhite;
        }
    </style>
</head>
<body>
<i>1</i>
<i>2</i>
<i>3</i>
</body>
</html>